Unlike earlier research, which often used video clips or other methods to simulate crimes and witnesses, the Illinois study was the first and only one to compare the two methods in the field using actual cases.
Glaxo conducted another study that did compare Actos and Avandia in another database and found no difference.
To be included, a study had to compare organic and conventional planting across similarly-sized areas, had to report on the sample size and error margins, and had to use organic methods that complied with the guidelines of certification organisations (such as the UK's Soil Association).
It doesn't stop ticking while a drugmaker does a five-year study to compare the drug, in safety and efficacy, with the alternatives.
James Danckert, an associate professor of psychology at the University of Waterloo, in Canada, recently conducted a study to compare the physiological effects of boredom and sadness.
WSJ: Interesting Fact: There's a Yawning Need for Boring Professors
The authors of the study say it was the first to compare police and hospital data and that its four year time span was longer than other CCTV evaluations.
BBC: The study was the first to compare police and hospital data
If you compare a private college with a public one based on tuition and post-graduate salaries, one study suggests that private college tuition pays itself back in a bit over six years.
FORBES: $200,000 College Tuition Got You Down? Payback is 6.3 Years
The aim of the study was to compare two groups of animals that lived during periods when sea ice extent and pollution levels were very different.
The objective of this study was to estimate the annual and lifetime medical costs attributable to obesity, to compare those to similar costs attributable to smoking, and to discuss the implications for prevention.
FORBES: Alcohol, Obesity and Smoking Do Not Cost Health Care Systems Money
In this latest study, the scientists looked at records from coral skeletons, ship observations and climate models to compare coral growth rates from 1880 to 2000.
BBC: Particles from fossil fuels 'affect the growth of corals'
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